Educational Science

Marlene Cimons of Climate Nexus contributed this article to LiveScience's Expert Voices: Op-Ed & Insights. When Linda and Jay Mathews moved back to their native California nearly two years ago — after 20 years in New York and Washington — they found their dream home in Pasadena. It had everything...

Roman Numerals: Conversion, Meaning & Origins

The engraved marker for Entrance LII — 52 — is still visible at the Coliseum in Rome. (Image credit: WarpFlyght/Creative Commons)Roman numerals originated, as the name might suggest, in ancient Rome. There are seven basic symbols: I, V, X, L, C, D and M. The first usage of the symbols...

Vanessa Woods is a research scientist and Brian Hare is an associate professor of evolutionary anthropology at Duke University. They are the authors of The Genius of Dogs and the founders of Dognition. They contributed this article to LiveScience’s Expert Voices: Op-Ed & Insights. When Harvard graduate and Heritage Foundation...

Macho Men May Not Have Survival Advantage in War

Despite a known link between a masculine-looking face and aggression in men, macho-faced soldiers didn't survive Finland's World War II Winter War in greater numbers than recruits with less masculine faces. The macho-looking men did, however, have more children in their lifetimes than thinner-faced guys, suggesting that face shape is...

Experts: Media May Be Second Prison for Cleveland Abductees

Three women kept captive in a boarded-up Cleveland house for between nine and 11 years will likely face a long road to recovery after their nightmarish ordeal. The women, Amanda Berry, Gina DeJesus and Michelle Knight, all went missing between 2002 and 2004, when they were teens, or in Knight's...

Photo Glossary: Hawaii's Amazing Volcanic Rocks

Hawaii's Rocks From'A'a to (almost) Z (Image credit: Robert Simmon, NASA's Earth Observatory, using data from USGS and NASA) An amazing variety of rocks appear in Hawaii from a single type of molten rock called basalt. Here's a guide to some of the weird and wonderful stones that result from...

Human Ancestor 'Lucy' Ends US Tour

Lucy, the famous, 40-percent-complete fossil of one of our human ancestors, returned to Ethiopia this week after a five-year U.S. tour, CBS reported. The 3.2-million-year-old specimen was discovered by American paleoanthropologist Donald Johanson and his team in the Afar region of Ethiopia in 1974. Lucy, who would have stood barely...

Normal or Not? New Psychiatric Manual Stirs Controversy

With the release of the latest edition of the mental health manual, the Diagnostic and Statistical Manual of Mental Disorders (DSM), LiveScience takes a close look at some of the disorders it defines. This 10-part series asks the fundamental question: What is normal, and what is not? As of May...

Was Girl Murdered for Her Organs?

The family of a young British girl traveling in their home country of India is accusing a medical clinic of killing their daughter for her organs. Gurkiren Kaur Loyal's family said she was being treated for dehydration in Punjab when she died. According to a news story in The Telegraph,...

Motherhood By the Numbers

The image of the typical American mom has transformed significantly since Mother's Day celebrations first started a century ago. From today's declining fertility rates to the increasing money people spend on moms, here's a look at motherhood by the numbers. More educated New moms today are more educated than they've...